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Revamped VCD id generation and duplicates removal. (ajb)

This commit is contained in:
steve 2000-04-08 05:28:39 +00:00
parent 30e8289239
commit 2693a8cd7d
1 changed files with 46 additions and 10 deletions
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56
vpi/sys_vcd.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: sys_vcd.c,v 1.7 2000/02/23 02:56:56 steve Exp $" #ident "$Id: sys_vcd.c,v 1.8 2000/04/08 05:28:39 steve Exp $"
#endif #endif
/* /*
@ -30,6 +30,7 @@
# include <stdlib.h> # include <stdlib.h>
# include <string.h> # include <string.h>
# include <assert.h> # include <assert.h>
# include <time.h>
static FILE*dump_file = 0; static FILE*dump_file = 0;
@ -41,6 +42,24 @@ struct vcd_info {
struct vcd_info*next; struct vcd_info*next;
}; };
static char vcdid[8]={'!',0,0,0,0,0,0,0};
static void gen_new_vcd_id(void)
{
int i;
for(i=0;i<8;i++) /* increment vcd id for next fac */
{
vcdid[i]++;
if(vcdid[i]!=127) break;
vcdid[i]='!';
if(vcdid[i+1]==0x00)
{
vcdid[i+1]='!';
break;
}
}
}
static struct vcd_info*vcd_list = 0; static struct vcd_info*vcd_list = 0;
unsigned long vcd_cur_time = 0; unsigned long vcd_cur_time = 0;
@ -139,6 +158,20 @@ static int sys_dumpfile_calltf(char*name)
if (dump_file == 0) { if (dump_file == 0) {
vpi_printf("ERROR: Unable to open %s for output.\n", path); vpi_printf("ERROR: Unable to open %s for output.\n", path);
return 0; return 0;
} else {
time_t walltime;
time(&walltime);
fprintf(dump_file, "$date\n");
fprintf(dump_file, "\t%s",asctime(localtime(&walltime)));
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$version\n");
fprintf(dump_file, "\tIcarus Verilog\n");
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$timescale\n");
fprintf(dump_file, "\t1ps\n");
fprintf(dump_file, "$end\n");
} }
free(path); free(path);
@ -146,11 +179,10 @@ static int sys_dumpfile_calltf(char*name)
return 0; return 0;
} }
static unsigned scan_scope(unsigned depth, vpiHandle argv, unsigned nident) static void scan_scope(unsigned depth, vpiHandle argv)
{ {
struct t_cb_data cb; struct t_cb_data cb;
struct vcd_info*info; struct vcd_info*info;
char ident[64];
vpiHandle item; vpiHandle item;
vpiHandle sublist; vpiHandle sublist;
@ -168,26 +200,26 @@ static unsigned scan_scope(unsigned depth, vpiHandle argv, unsigned nident)
if (vpi_get(vpiType, item) == vpiReg) if (vpi_get(vpiType, item) == vpiReg)
type = "reg"; type = "reg";
sprintf(ident, "<%u", nident++);
info = malloc(sizeof(*info)); info = malloc(sizeof(*info));
info->time.type = vpiSimTime; info->time.type = vpiSimTime;
cb.time = &info->time; cb.time = &info->time;
cb.user_data = (char*)info; cb.user_data = (char*)info;
cb.obj = item; cb.obj = item;
info->item = item; info->item = item;
info->ident = strdup(ident); info->ident = strdup(vcdid);
info->cb = vpi_register_cb(&cb); info->cb = vpi_register_cb(&cb);
info->next = vcd_list; info->next = vcd_list;
vcd_list = info; vcd_list = info;
fprintf(dump_file, "$var %s %u %s %s $end\n", fprintf(dump_file, "$var %s %u %s %s $end\n",
type, vpi_get(vpiSize, item), ident, type, vpi_get(vpiSize, item), info->ident,
vpi_get_str(vpiFullName, item)); vpi_get_str(vpiFullName, item));
gen_new_vcd_id();
break; break;
case vpiModule: case vpiModule:
sublist = vpi_iterate(vpiInternalScope, item); sublist = vpi_iterate(vpiInternalScope, item);
if (sublist && (depth > 0)) if (sublist && (depth > 0))
nident = scan_scope(depth-1, sublist, nident); scan_scope(depth-1, sublist);
break; break;
default: default:
@ -195,8 +227,6 @@ static unsigned scan_scope(unsigned depth, vpiHandle argv, unsigned nident)
} }
} }
return nident;
} }
static int sys_dumpvars_calltf(char*name) static int sys_dumpvars_calltf(char*name)
@ -215,7 +245,7 @@ static int sys_dumpvars_calltf(char*name)
assert(dump_file); assert(dump_file);
scan_scope(99, argv, 0); scan_scope(99, argv);
fprintf(dump_file, "$enddefinitions $end\n"); fprintf(dump_file, "$enddefinitions $end\n");
@ -258,6 +288,12 @@ void sys_vcd_register()
/* /*
* $Log: sys_vcd.c,v $ * $Log: sys_vcd.c,v $
* Revision 1.8 2000/04/08 05:28:39 steve
* Revamped VCD id generation and duplicates removal. (ajb)
*
* Revision 1.8 2000/04/06 21:00:00 ajb
* Revamped VCD id generation and duplicates removal.
*
* Revision 1.7 2000/02/23 02:56:56 steve * Revision 1.7 2000/02/23 02:56:56 steve
* Macintosh compilers do not support ident. * Macintosh compilers do not support ident.
* *